content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------
   * MeterPlotTests.java
   * -------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 27-Mar-2003 : Version 1 (DG);
   * 12-May-2004 : Updated testEquals() (DG);
   * 29-Nov-2007 : Updated testEquals() and testSerialization1() for
   *               dialOutlinePaint (DG)
   *
   */
  
  package org.jfree.chart.plot;
  
  import org.jfree.data.Range;
  import org.jfree.data.general.DefaultValueDataset;
  import org.junit.Test;
  
  import java.awt.Color;
  import java.awt.Font;
  import java.awt.GradientPaint;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.text.DecimalFormat;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  
  /**
   * Tests for the {@link MeterPlot} class.
   */
  public class MeterPlotTest  {
  
  
  
  
  
      /**
       * Test the equals method to ensure that it can distinguish the required
       * fields.  Note that the dataset is NOT considered in the equals test.
       */
      @Test
      public void testEquals() {
          MeterPlot plot1 = new MeterPlot();
          MeterPlot plot2 = new MeterPlot();
          assertEquals(plot1, plot2);
  
          // units
          plot1.setUnits("mph");
          assertFalse(plot1.equals(plot2));
          plot2.setUnits("mph");
          assertEquals(plot1, plot2);
  
          // range
          plot1.setRange(new Range(50.0, 70.0));
          assertFalse(plot1.equals(plot2));
          plot2.setRange(new Range(50.0, 70.0));
          assertEquals(plot1, plot2);
  
          // interval
          plot1.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
          assertFalse(plot1.equals(plot2));
          plot2.addInterval(new MeterInterval("Normal", new Range(55.0, 60.0)));
          assertEquals(plot1, plot2);
  
          // dial outline paint
          plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          assertFalse(plot1.equals(plot2));
          plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          assertEquals(plot1, plot2);
  
          // dial shape
          plot1.setDialShape(DialShape.CHORD);
          assertFalse(plot1.equals(plot2));
          plot2.setDialShape(DialShape.CHORD);
          assertEquals(plot1, plot2);
  
          // dial background paint
          plot1.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED,
                  7.0f, 6.0f, Color.BLUE));
          assertFalse(plot1.equals(plot2));
          plot2.setDialBackgroundPaint(new GradientPaint(9.0f, 8.0f, Color.RED,
                  7.0f, 6.0f, Color.BLUE));
          assertEquals(plot1, plot2);
  
          // dial outline paint
          plot1.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                  3.0f, 4.0f, Color.RED));
          assertFalse(plot1.equals(plot2));
          plot2.setDialOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
                  3.0f, 4.0f, Color.RED));
          assertEquals(plot1, plot2);
  
          // needle paint
          plot1.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED,
                  7.0f, 6.0f, Color.BLUE));
          assertFalse(plot1.equals(plot2));
          plot2.setNeedlePaint(new GradientPaint(9.0f, 8.0f, Color.RED,
                  7.0f, 6.0f, Color.BLUE));
          assertEquals(plot1, plot2);
  
          // value font
          plot1.setValueFont(new Font("Serif", Font.PLAIN, 6));
          assertFalse(plot1.equals(plot2));
          plot2.setValueFont(new Font("Serif", Font.PLAIN, 6));
          assertEquals(plot1, plot2);
  
          // value paint
          plot1.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK,
                  3.0f, 4.0f, Color.WHITE));
          assertFalse(plot1.equals(plot2));
          plot2.setValuePaint(new GradientPaint(1.0f, 2.0f, Color.BLACK,
                  3.0f, 4.0f, Color.WHITE));
          assertEquals(plot1, plot2);
  
          // tick labels visible
          plot1.setTickLabelsVisible(false);
          assertFalse(plot1.equals(plot2));
          plot2.setTickLabelsVisible(false);
          assertEquals(plot1, plot2);
  
          // tick label font
          plot1.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
          assertFalse(plot1.equals(plot2));
          plot2.setTickLabelFont(new Font("Serif", Font.PLAIN, 6));
          assertEquals(plot1, plot2);
  
          // tick label paint
          plot1.setTickLabelPaint(Color.RED);
          assertFalse(plot1.equals(plot2));
          plot2.setTickLabelPaint(Color.RED);
          assertEquals(plot1, plot2);
  
          // tick label format
          plot1.setTickLabelFormat(new DecimalFormat("0"));
          assertFalse(plot1.equals(plot2));
          plot2.setTickLabelFormat(new DecimalFormat("0"));
          assertEquals(plot1, plot2);
  
          // tick paint
          plot1.setTickPaint(Color.green);
          assertFalse(plot1.equals(plot2));
          plot2.setTickPaint(Color.green);
          assertEquals(plot1, plot2);
  
          // tick size
          plot1.setTickSize(1.23);
          assertFalse(plot1.equals(plot2));
          plot2.setTickSize(1.23);
          assertEquals(plot1, plot2);
  
          // draw border
          plot1.setDrawBorder(!plot1.getDrawBorder());
          assertFalse(plot1.equals(plot2));
          plot2.setDrawBorder(plot1.getDrawBorder());
          assertEquals(plot1, plot2);
  
          // meter angle
          plot1.setMeterAngle(22);
          assertFalse(plot1.equals(plot2));
          plot2.setMeterAngle(22);
          assertEquals(plot1, plot2);
  
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          MeterPlot p1 = new MeterPlot();
          MeterPlot p2 = (MeterPlot) p1.clone();
          assertNotSame(p1, p2);
          assertSame(p1.getClass(), p2.getClass());
          assertEquals(p1, p2);
  
          // the clone and the original share a reference to the SAME dataset
          assertSame(p1.getDataset(), p2.getDataset());
  
          // try a few checks to ensure that the clone is independent of the
          // original
          p1.getTickLabelFormat().setMinimumIntegerDigits(99);
          assertFalse(p1.equals(p2));
          p2.getTickLabelFormat().setMinimumIntegerDigits(99);
          assertEquals(p1, p2);
  
          p1.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
          assertFalse(p1.equals(p2));
          p2.addInterval(new MeterInterval("Test", new Range(1.234, 5.678)));
          assertEquals(p1, p2);
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization1() throws IOException, ClassNotFoundException {
          MeterPlot p1 = new MeterPlot(null);
          p1.setDialBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          p1.setDialOutlinePaint(new GradientPaint(4.0f, 3.0f, Color.RED,
                  2.0f, 1.0f, Color.BLUE));
          p1.setNeedlePaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          p1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
          p1.setTickPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
                  3.0f, 4.0f, Color.BLUE));
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(p1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                       new ByteArrayInputStream(buffer.toByteArray()));
          MeterPlot p2 = (MeterPlot) in.readObject();
              in.close();
  
          assertEquals(p1, p2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization2() throws IOException, ClassNotFoundException {
          MeterPlot p1 = new MeterPlot(new DefaultValueDataset(1.23));
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(p1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                       new ByteArrayInputStream(buffer.toByteArray()));
          MeterPlot p2 = (MeterPlot) in.readObject();
              in.close();
  
          assertEquals(p1, p2);
  
      }
  
  }
  